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25 February 2005 <br /> AGE-NC Project No. 04-1232 <br /> Page 3 of 4 <br /> are illustrated on Figure 2. <br /> Soil and water samples will be submitted for laboratory analysis. The samples will be analyzed by <br /> a State of California Department of Health Services (DHS)-certified laboratory for the following <br /> constituents as requested: <br /> • Volatile organics in accordance with EPA Method 8260B; <br /> • Total petroleum hydrocarbons quantified as gasoline (TPH-g) and diesel (TPH-d) in <br /> accordance with EPA Method 8015 Modified/5030/3510. <br /> Laboratory reports for soil and water analysis,testing methods,laboratory quality assurance/quality <br /> control(QA/QC)reports, and sample chain of custody documentation will be presented in a report <br /> of findings and recommendations. <br /> 3.5. REPORT PREPARATION <br /> Upon completion of field work and receipt of final laboratory analysis, a report will be prepared <br /> presenting the findings of the investigation. The report will include a description of the work <br /> performed including a diagram of the septic system, location of sampling points and results of the <br /> sampling and analysis.Conclusions and applicable recommendations will be included in the report. <br /> The report will be reviewed and signed by a California Professional Geologist. <br /> 4.0. FIELD PROCEDURES <br /> All field procedures will be overseen by an AGE representative under the supervision of a California <br /> Professional Geologist. Procedures for the advancement of soil borings, soil sampling, equipment <br /> decontamination,sample shipment,boring abandonment,and domestic well sampling are outlined <br /> below. <br /> 4.1. BORING ADVANCEMENT <br /> Once sample areas have been inspected and approved by the SJCEHD to satisfy the regulatory <br /> requirements,the probe borings will be advanced using a van-mounted Geoprobe 5400 direct-push <br /> probing unit equipped with 1.25-inch probing rods.The Geoprobe advances soil probe borings using <br /> a hydraulic hammer to drive soil sampling tools to specified depths. The borings will possibly have <br /> to be angled to reach the specified sampling locations. <br /> Advanced GeoEnviron mental,Inc. <br />